Abstract
We present a method for simultaneous measurement of thermal diffusivity and local heat transfer coefficient based on a theory originally stated by Ångström. We apply a sinusoidally varying thermal flux incident on one face of a one-dimensional specimen and convectively cool its opposite face. This results in a sinusoidally varying temperature on the cooled face with a measurable phase lag between the incident and transmitted waves that depends upon the material properties and the heat transfer coefficient.
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